<header class="header">
		
		<div class="container">
			
			<a href="#" class="logo">
				<img src="/imgs/logo.png" alt="logo">
			</a>

			<div class="search">
				<form action="" method="POST">
					<input class="search-input" type="text">
					<i class="fa fa-search fa-rotate-90 input-icon"></i>
				</form>
			</div>
			
			
			<nav class="header-nav">
				<ul class="header-nav-list">
					<% if(!USER) {%>
					<li class="item"><a href="/index">首页</a></li>
					<li class="item"><a href="/signup">注册</a></li>
					<li class="item"><a href="/signin">登录</a></li>
					<li class="item"><a href="">关于</a></li>
					<%}else{%>
					<li class="item"><a href="/index">首页</a></li>
					<li class="item"><a href="">未读消息</a></li>
					<li class="item"><a href="">设置</a></li>
					<li class="item"><a href="/logout">退出</a></li>
					<li class="item"><a href="">关于</a></li>
					<%}%>
				</ul>
			</nav>
		</div>
</header>